1,Material,PTFE 2,Model:FVA,FVI,FVB 3.Working pressure:0-40Mpa. 4.Sliding speed<15 m/s spring energized ptfe seal 1.Material: PTFE, PTFE+stainless steel2.Color: white,black,brown,yellowish.3.Specification: according to customer's needs. Features:1.Temperature range from -270°C to +315°C2.Excellent property of wearing- resitance3.Posses chemical inertness4.Low friction coefficient,no sticking,self ...